Tank level sensor



FIG. 1 is a front elevation view of the tank level sensor;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof and is a mirror image ofthe right side.

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view thereof.

The ornamental design for the tank level sensor, as shown and described. 